3 mean, 4 std_dev, 5 variance – Cirrus Logic CDB5460AU User Manual
Page 22: 6 maximum, 7 minimum, Cdb5460au
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CDB5460AU
22
DS487DBU1
2.8.11.3 MEAN
Indicates the mean of the data sample set. The mean is calculated using the following formula:
2.8.11.4 STD_DEV
Indicates the standard deviation of the collected data set. The standard deviation is calculated using the
following formula:
2.8.11.5 VARIANCE
Indicates for the variance of the current data set. The variance is calculated using the following formula:
2.8.11.6 MAXIMUM
Indicates the maximum value of the collected data set.
2.8.11.7 MINIMUM
Indicates the minimum value of the collected data set.
Mean
Xi
i
0
=
n
1
–
∑
n
----------------
=
STDDEV
Xi
MEAN
–
(
)
2
i
0
=
n
1
–
∑
n
------------------------------------------------
=
VARIANCE
Xi
MEAN
–
(
)
2
i
0
=
n
1
–
∑
n
------------------------------------------------
=
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